When hv_pkt_iter_next() returns NULL, it has already called
hv_pkt_iter_close(). Calling it twice can lead to extra host signal.
Signed-off-by: Stephen Hemminger <sthem...@microsoft.com>
---
drivers/net/hyperv/netvsc.c | 4 ----
1 file changed, 4 deletions(-)
diff --git a/drivers/net/hyperv/netvsc.c b/drivers/net/hyperv/netvsc.c
index 208f03aa83de..c842265d1df9 100644
--- a/drivers/net/hyperv/netvsc.c
+++ b/drivers/net/hyperv/netvsc.c
@@ -1190,10 +1190,6 @@ int netvsc_poll(struct napi_struct *napi, int budget)
nvchan->desc = hv_pkt_iter_next(channel, nvchan->desc);
}
- /* if ring is empty, signal host */
- if (!nvchan->desc)
- hv_pkt_iter_close(channel);
-
/* If send of pending receive completions suceeded
* and did not exhaust NAPI budget this time
* and not doing busy poll
--
2.11.0
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